package com.kaifamiao.inner;

public class Variable {
    // 类变量 ( class variable )
    public static int first;
    // 实例变量 ( instance variable )
    public int second;

    // 参数属于 局部变量 ( local variable )
    public void show( int third ) {
        System.out.println( third );
        // 局部变量 ( local variable )
        int fourth = 0 ;
        System.out.println( fourth );
        System.out.println( first ); // Variable.first
        System.out.println( second ); // this.second
    }
}
